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Phương pháp giải bài tập kết tủa biến thiên của hidroxit nhôm

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
 !"#$%&
 !" #$%&'( )*+, /
0123456,.7
81'(9': );0!56< +,=>=?=,@
A=5@B,.C$D(CE.=$$D$
F$G@HHIIIDJ=C0$$(D$H$(CD,.CD
B,.KL/M6@N91B":NO,P1:O,PQ,:B6RD
S6$@TUVUTWVXX
SGY;@,6! .=($**3,3>Z=$[F\3]$3,3>
Z=$R5^D
F6@!,Y6(_=\R5\[F]]3-`=,9=3-D
a#b Z@
R5^^[FcR5\[F]\]
!!!
R5\[F]^[F\3,9]cR5[^F[\]
\!=]\!=]
L/Z =
B,[F,$G*=_\?! .= Z\]]=9@
'()*+',-'./(0-/10
B,[F3\! .=5-5  Z\]\]]@
SGR5^d!\$5]:R5\[F]\0$]d=$5=e!
a Z\]$!$5R5\[F]Df$?9=$5R5\[F]$5R5\[F]0>g=
=C$ Z\]5!=DC$\]\]h[Fd!^\!=]dV!i=D
F=.'()*23,4' 5)'./(0-/110
S)>0j,3K`4,k_=5(_=R5\[F]$$5[FD
R5\[F]





[[F[F=![F
Q,',.=*)>@
Sj,5(_=C$.,-,b9>[FlY5<Y#Z
</Z\m]\mm]D
 Sj)(_=b@ed[FHR5^eVDB,@
 ^]eb,Z\m]:eeVb3n/Z\mm]
 SG065(2=`bd:`j,\d]bdVD
 $0%o(>5,%0 $$6:#b$,1p
q' Z,g=_=$F^<[F: Z$(_==r[Vp
6+789
L",/:;<+<=+>?*@AAB0@k3,3>Z==$5R5L5<3,3>Z=
0$5B=[FDSj,(_=b-9?56
RD=@0d@VDD=@0e@VDLD=@0d@WDfD=@0s@VD
6+C+D+9
Md[FHR5^d0H=eVb)5(_==.=@0st
=>Chọn đáp án D.
L",/:;<+<=+>?*@AAB0@L$53,3>R5L5:W834<u5
3,3>B=[F:W8:5(_=,5W:v=Dw>5<Y_=u5\$Fd:
[dv:R5dX]
RD:DD:UDLDDfD:VD
6+C+D+9
u5<Y([F5<Y
C$\mm][F=!dVDR5^x:WudVD:WDD

iW:vHXUdsud5
=>Chọn đáp án C.
L",/:;<+">?*@AAE0@Bl**:W53,3>B=[F:V8$3,3>
):V$5yCL5z:v$5R5\r[V]:V$5Fr[V,=(_=Dw
>_=5
RD:WvDDV:UDLD:WvUDfDW:vVD

6+C+D+9
L Z9j! .=@
F^^[FcF[\]
yC^^[FcyC\[F]\]
R5^^[FcR5\[F]\]
L9jR5\[F]^[FcR5[^F[\V]
[F\ Z\]:\V]]d[F\=-,]iDyC^Fr[Vd:U$5
R5^d:$5
ed[FHR5^d:UH:eV
*\mm]dsR5\[F]dVR5^[FdsR5\[F]d:$5
8dR5\[F]^yC\[F]d:DXU^:VDXdV:U=
=>Chọn đáp án B.
L",V/:;<+<=+>?*@AFA0@L$W53,3>M[F:834<
53,3>R5L5)k!$5H5:,3,3>{V:vU=(_=DQ$0l(_=:
XW53,3>M[F:8${:,:V=(_=Dw>_=!5
RD:DD:TDLD:DfD:UD
6+C+D+9
*)>=Y.@[F\B]e[F\B]R5\[F]\B]sR5\[F]\B]
dsB[F3g==-(_=D
NC=65k+,b54@(_=!,Y6:`)0>g==-
)>ds>[FC$/\mm]
h[FdVDR5^hR5\[F]ds\W^XW]D

D:dV!DD

i\V:vU^:V]HXU
ds!d:
=>Chọn đáp án C.
L",W/:;<+<=+>?*@AFF0@f,3>N):$5F^:|$5R5^:$5
:$5L$53,3>{)M[F:8=\[F]:8$N:=,( 

Z(q:,:X=(_=Dw>_=|:5-55B[}Vr[D}
RD::DD::DLD::DfD::TvD
6+C+D+9
R5\[F]d\:Xi:D]HXUd:$5
[F\a Z<R5^]d[F0=-,iF^dD

\:^:D]i:d:vU
b[F~DR5\[F]3n/Z\mm]
[FdVDR5^R5\[F]:vUdVDR5^:ds|dR5^d:
•34 $$6@:^|d^:Ddsd:
=>Chọn đáp án B.
L",v/:;<+<=+>?*@AF@0@L$W53,3>=\[F]:8$u53,
3>R5\r[V]:8z=,( Z(q,:VW=(_=Dw>_=u5
RDXWDDWDLDDfDD
6+C+D+9
L?9o,/ Z5u
$:VW=(_=9 =r[V
=^d:W
r[VduD
V
R5^duD
V
[Fd:
F@=^sr[Vds:W≥uD
V
dsu≤vv:v
C$\mm]:dVDuD
V
\:VWuD
V

D]HXU
dsudWl=
F@=^er[Vusvv:v
=r[Vd:W
C$\mm]:dVDuD
V
\:VWi:WD]HXU
dsud\Q$b(/l=usvv:v
=>Chọn đáp án B.
Bi tp p dng:
L",/:;<+<=+>?*@AAG0@L$u53,3>B=[F8$3,3>Z=
:$5R5\r[V]:$5Fr[V( Z$$:,X:U=(_=D
w>5<Y_=uj,5(_=5
AH4ID:WDLD:WDfD:WD
L",/:;<+">?*@AAB0@=(=5$53,3>Z==\[F]:8
B=[F:8,3,3>NDL$**3,3>N$53,3>
R5\r[V]:8,(_={DSj,5(_={5<Yb>_=5
\L$Fdz[dvzB=dzR5dXzrdzMdTz=dX]
FHFBDD:TWDLD:WTDfD:XD
L",/:;<+">?*@AAE0@F$=$$VX:V=€,=MR5\r[V]DF[
$<:,3,3>NDL$$0kN34<53,3>=\[F]8:=,
 Z,=(_=Dw>_=5
RDWV:VDDv:D"4JHJfDX:UD

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